Confidence: Medium · Source: FCC ULS · As of 2026-09-09

WP4H

Active

Hernandez, Ruben A

Location: Ponce, PR
Class: Amateur Extra
Granted: 2018-05-30
Expires: 2028-07-18
Previous call: KP4RX
FRN: 0001838259

Get notified about status changes and vanity availability for this callsign.

Vanity availability

Held

Currently held

WP4H is held by an active license; it isn't a vanity slot right now.

Vanity availability dates are computed from FCC §97.19's hold periods: 2 years from the cancellation date for cancelled or terminated licenses, 4 years from the expiration date for expired licenses (2-year renewal grace + 2-year hold).

Callsign genealogy

Full chain →

Previously held by current licensee

KP4RXactive· E
Ramos, Ramon LTXgranted 2020-09-26
WP4RNRcancelled· E
Ramos Calderon, Ramon LPRgranted 2020-08-20cancelled 2020-09-26

Prior holders later became

KP4DGexpired· E
GONZALEZ JR, DOMINGOPRgranted 2008-03-07cancelled 2020-04-29

License history

0 events

No recorded events.

More vanity slots coming available

From Puerto Rico

All →

WP4TLD 2026-09-10
K5DTC 2026-09-14
WP4LKC 2026-09-14
KP4ECD 2026-09-16
WP3TU 2026-09-16

Starting with WP4

All →

WP4TLD PR · 2026-09-10
WP4LKC PR · 2026-09-14
WP4MRN UT · 2026-09-17
WP4TKL PR · 2026-09-17
WP4KNF PR · 2026-09-18

Full history → Vanity availability → Callsign genealogy →